Finding the Fourth Proportional to 6,227,553.09, 8,586,388.10 and 5,121,117.90
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Solution
The fourth proportional to 6,227,553.09, 8,586,388.10 and 5,121,117.90 is: 7,060,864.06
Step by Step Solution
- Step 1: Write the proportion equation
6,227,553.09 : 8,586,388.10 = 5,121,117.90 : x - Step 2: Convert to fraction form
6,227,553.09/8,586,388.10 = 5,121,117.90/x - Step 3: Cross multiply
6,227,553.09x = 8,586,388.10 × 5,121,117.90 - Step 4: Simplify right side
6,227,553.09x = 43,971,905,786,593.81 - Step 5: Solve for x
x = 43,971,905,786,593.81/6,227,553.09 - Step 6: Final answer
x = 7,060,864.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.